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| FBlikeNumber <- | |
| function(url) { | |
| require(magrittr) | |
| require(rvest) | |
| x <- read_html(url, encoding = "UTF-8") %>% as.character | |
| re <- regexpr("[,0-9]+(?= 人說這讚)", x, perl = T) | |
| substr(x, re, re + attr(re, "match.length")) %>% | |
| gsub(",", "", .) %>% | |
| as.integer | |
| } | |
| FBlikeNumber("https://www.facebook.com/DoctorKoWJ/") | |
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